Last 12 months
Inside the activity.
0 purchase rows · 142 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 32 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 31 |
| Mar 2026 | 0 | 21 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 1 |
| Jun 2026 | 0 | 23 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 8 |
| Sep 2026 | 0 | 26 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| September 14, 2026 Filed Sep 17, 2026 00:05 UTC |
ROSSI DINO ADirector
|
GrantRestricted Stock Units · Derivative | 471 | $0.00 | $0.00 |
DisclosureSEC source: 0001209059-26-000008 · wk-form4_1789603516.xml · derivative · entry 2 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 471 Underlying: Common Stock · 471 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock. F3 · derivative.exercise_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. F3 · derivative.expiration_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:05 UTC |
ROSSI DINO ADirector
|
GrantStock Option (Right to Buy) · Derivative | 1,187 | $0.00 Strike: $340.03 | $0.00 |
DisclosureSEC source: 0001209059-26-000008 · wk-form4_1789603516.xml · derivative · entry 1 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,187 Underlying: Common Stock · 1,187 shares Expires 2036-09-13 F1 · derivative.exercise_date: The stock options vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:03 UTC |
Sutherland Everett RandDirector
|
GrantRestricted Stock Units · Derivative | 471 | $0.00 | $0.00 |
DisclosureSEC source: 0001852880-26-000002 · wk-form4_1789603389.xml · derivative · entry 2 Sutherland Everett Rand · CIK 0001852880 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 471 Underlying: Common Stock · 471 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock. F3 · derivative.exercise_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. F3 · derivative.expiration_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:03 UTC |
Sutherland Everett RandDirector
|
GrantStock Option (Right to Buy) · Derivative | 1,187 | $0.00 Strike: $340.03 | $0.00 |
DisclosureSEC source: 0001852880-26-000002 · wk-form4_1789603389.xml · derivative · entry 1 Sutherland Everett Rand · CIK 0001852880 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,187 Underlying: Common Stock · 1,187 shares Expires 2036-09-13 F1 · derivative.exercise_date: The stock options vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:02 UTC |
Mazzacco CatherineDirector
|
GrantRestricted Stock Units · Derivative | 471 | $0.00 | $0.00 |
DisclosureSEC source: 0001967722-26-000002 · wk-form4_1789603333.xml · derivative · entry 2 Mazzacco Catherine · CIK 0001967722 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 471 Underlying: Common Stock · 471 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock. F3 · derivative.exercise_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. F3 · derivative.expiration_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:02 UTC |
Mazzacco CatherineDirector
|
GrantStock Option (Right to Buy) · Derivative | 1,187 | $0.00 Strike: $340.03 | $0.00 |
DisclosureSEC source: 0001967722-26-000002 · wk-form4_1789603333.xml · derivative · entry 1 Mazzacco Catherine · CIK 0001967722 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,187 Underlying: Common Stock · 1,187 shares Expires 2036-09-13 F1 · derivative.exercise_date: The stock options vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:01 UTC |
Mason ChristopherDirector
|
GrantRestricted Stock Units · Derivative | 471 | $0.00 | $0.00 |
DisclosureSEC source: 0001836440-26-000002 · wk-form4_1789603304.xml · derivative · entry 2 Mason Christopher · CIK 0001836440 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 471 Underlying: Common Stock · 471 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock. F3 · derivative.exercise_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. F3 · derivative.expiration_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:01 UTC |
Mason ChristopherDirector
|
GrantStock Option (Right to Buy) · Derivative | 1,187 | $0.00 Strike: $340.03 | $0.00 |
DisclosureSEC source: 0001836440-26-000002 · wk-form4_1789603304.xml · derivative · entry 1 Mason Christopher · CIK 0001836440 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,187 Underlying: Common Stock · 1,187 shares Expires 2036-09-13 F1 · derivative.exercise_date: The stock options vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:01 UTC |
JANNEY DANIELDirector
|
GrantRestricted Stock Award · Derivative | 471 | $0.00 | $0.00 |
DisclosureSEC source: 0001711279-26-000060 · wk-form4_1789603273.xml · derivative · entry 2 JANNEY DANIEL · CIK 0001198325 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 471 Underlying: Common Stock · 471 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock. F3 · derivative.exercise_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. F3 · derivative.expiration_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:01 UTC |
JANNEY DANIELDirector
|
GrantStock Option (Right to Buy) · Derivative | 1,187 | $0.00 Strike: $340.03 | $0.00 |
DisclosureSEC source: 0001711279-26-000060 · wk-form4_1789603273.xml · derivative · entry 1 JANNEY DANIEL · CIK 0001198325 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,187 Underlying: Common Stock · 1,187 shares Expires 2036-09-13 F1 · derivative.exercise_date: The stock options vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:00 UTC |
Gangolli Julian SDirector
|
GrantRestricted Stock Units · Derivative | 471 | $0.00 | $0.00 |
DisclosureSEC source: 0001532023-26-000002 · wk-form4_1789603228.xml · derivative · entry 2 Gangolli Julian S · CIK 0001532023 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 471 Underlying: Common Stock · 471 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock. F3 · derivative.exercise_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. F3 · derivative.expiration_date: The RSUs vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 14, 2026 Filed Sep 17, 2026 00:00 UTC |
Gangolli Julian SDirector
|
GrantStock Option (Right to Buy) · Derivative | 1,187 | $0.00 Strike: $340.03 | $0.00 |
DisclosureSEC source: 0001532023-26-000002 · wk-form4_1789603228.xml · derivative · entry 1 Gangolli Julian S · CIK 0001532023 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,187 Underlying: Common Stock · 1,187 shares Expires 2036-09-13 F1 · derivative.exercise_date: The stock options vest in full on September 14, 2027, subject to continued service on the Company's Board of Directors through such date and to earlier vesting in certain circumstances described in the Company's Non-Employee Director Compensation Policy as in effect on the date of grant. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 399 | $366.56 | $146,255.84 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 13 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,302,145 F15 · price: The transaction was executed in multiple trades ranging from $366.39 to $366.91. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 826 | $365.41 | $301,831.88 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 12 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,302,544 F14 · price: The transaction was executed in multiple trades ranging from $365.07 to $366.03. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 1,329 | $364.48 | $484,390.07 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 11 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,303,370 F13 · price: The transaction was executed in multiple trades ranging from $364.07 to $365.05. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 565 | $363.34 | $205,287.33 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 10 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,304,699 F12 · price: The transaction was executed in multiple trades ranging from $363.05 to $364.01. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 1,992 | $362.65 | $722,404.18 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 9 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,305,264 F11 · price: The transaction was executed in multiple trades ranging from $362.02 to $363.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 1,242 | $361.61 | $449,119.62 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 8 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,307,256 F10 · price: The transaction was executed in multiple trades ranging from $361.02 to $362.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 2,320 | $360.47 | $836,281.12 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 7 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,308,498 F9 · price: The transaction was executed in multiple trades ranging from $360.01 to $361.005. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 3,392 | $359.39 | $1,219,037.99 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 6 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,310,818 F8 · price: The transaction was executed in multiple trades ranging from $358.99 to $359.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 3,180 | $358.42 | $1,139,776.55 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 5 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,314,210 F7 · price: The transaction was executed in multiple trades ranging from $357.99 to $358.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 3,962 | $357.57 | $1,416,708.98 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 4 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,317,390 F6 · price: The transaction was executed in multiple trades ranging from $356.99 to $357.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 3,267 | $356.37 | $1,164,253.93 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 3 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,321,352 F5 · price: The transaction was executed in multiple trades ranging from $355.98 to $356.96. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 2,006 | $355.57 | $713,277.23 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 2 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,324,619 F4 · price: The transaction was executed in multiple trades ranging from $354.98 to $355.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:15 UTC |
Krishnan SumaDirector · President, R&D · 10% owner
|
SaleCommon Stock | 520 | $354.54 | $184,360.80 |
DisclosureSEC source: 0001298711-26-000009 · wk-form4_1788563746.xml · nonDerivative · entry 1 Krishnan Suma · CIK 0001298711 · Director · President, R&D · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,326,625 F1 · kind: The Reporting Person may be deemed to beneficially own shares of the Issuer's common stock directly owned by the Reporting Person's spouse, Krish S. Krishnan. Such shares and transactions by the Reporting Person's spouse are not included in this Form 4, as they are being reported separately on a Form 4 filed by her spouse. The Reporting Person disclaims beneficial ownership of such shares except to the extent of her pecuniary interest therein. F2 · price: The sales reported were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025. The Rule 10b5-1 trading plan has reached the maximum number of shares to be sold under such plan and has terminated. F3 · price: The transaction was executed in multiple trades ranging from $353.98 to $354.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 405 | $366.56 | $148,455.46 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 13 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,347,543 F15 · price: The transaction was executed in multiple trades ranging from $366.39 to $366.91. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 847 | $365.42 | $309,507.61 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 12 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,347,948 F14 · price: The transaction was executed in multiple trades ranging from $365.07 to $366.03. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 1,358 | $364.48 | $494,963.03 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 11 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,348,795 F13 · price: The transaction was executed in multiple trades ranging from $364.07 to $365.05. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 573 | $363.34 | $208,195.20 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 10 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,350,153 F12 · price: The transaction was executed in multiple trades ranging from $363.05 to $364.01. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 2,010 | $362.65 | $728,927.30 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 9 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,350,726 F11 · price: The transaction was executed in multiple trades ranging from $362.02 to $363.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 1,214 | $361.61 | $438,993.45 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 8 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,352,736 F10 · price: The transaction was executed in multiple trades ranging from $361.02 to $362.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 2,266 | $360.46 | $816,809.16 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 7 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,353,950 F9 · price: The transaction was executed in multiple trades ranging from $360.01 to $361.005. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 3,357 | $359.39 | $1,206,459.14 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 6 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,356,216 F8 · price: The transaction was executed in multiple trades ranging from $358.99 to $359.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 3,143 | $358.42 | $1,126,508.40 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 5 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,359,573 F7 · price: The transaction was executed in multiple trades ranging from $357.99 to $358.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 3,981 | $357.57 | $1,423,501.30 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 4 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,362,716 F6 · price: The transaction was executed in multiple trades ranging from $356.99 to $357.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 3,297 | $356.37 | $1,174,947.60 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 3 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,366,697 F5 · price: The transaction was executed in multiple trades ranging from $355.98 to $356.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 2,029 | $355.57 | $721,455.39 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 2 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,369,994 F4 · price: The transaction was executed in multiple trades ranging from $354.98 to $355.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| September 04, 2026 Filed Sep 4, 2026 23:14 UTC |
Krishnan Krish SDirector · President and CEO · 10% owner
|
SaleCommon Stock | 520 | $354.54 | $184,360.80 |
DisclosureSEC source: 0001298709-26-000011 · wk-form4_1788563646.xml · nonDerivative · entry 1 Krishnan Krish S · CIK 0001298709 · Director · President and CEO · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,372,023 F1 · kind: The Reporting Person may be deemed to beneficially own shares of the Issuer's common stock directly owned by the Reporting Person's spouse, Suma M. Krishnan. Such shares and transactions by the Reporting Person's spouse are not included in this Form 4, as they are being reported separately on a Form 4 filed by his spouse. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. F2 · price: The sales reported were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025. The Rule 10b5-1 trading plan has reached the maximum number of shares to be sold under such plan and has terminated. F3 · price: The transaction was executed in multiple trades ranging from $353.98 to $354.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| August 14, 2026 Filed Aug 14, 2026 22:22 UTC |
ROSSI DINO ADirector
|
SaleCommon Stock | 40 | $333.23 | $13,329.20 |
DisclosureSEC source: 0001209059-26-000006 · wk-form4_1786746156.xml · nonDerivative · entry 9 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 50,000 Read SEC document |
| August 14, 2026 Filed Aug 14, 2026 22:22 UTC |
ROSSI DINO ADirector
|
SaleCommon Stock | 3,095 | $331.43 | $1,025,786.06 |
DisclosureSEC source: 0001209059-26-000006 · wk-form4_1786746156.xml · nonDerivative · entry 8 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 50,040 F8 · price: The transaction was executed in multiple trades ranging from $331.02 to $331.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| August 14, 2026 Filed Aug 14, 2026 22:22 UTC |
ROSSI DINO ADirector
|
SaleCommon Stock | 4,896 | $330.36 | $1,617,422.00 |
DisclosureSEC source: 0001209059-26-000006 · wk-form4_1786746156.xml · nonDerivative · entry 7 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 53,135 F7 · price: The transaction was executed in multiple trades ranging from $330 to $330.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| August 14, 2026 Filed Aug 14, 2026 22:22 UTC |
ROSSI DINO ADirector
|
SaleCommon Stock | 7,428 | $329.60 | $2,448,279.94 |
DisclosureSEC source: 0001209059-26-000006 · wk-form4_1786746156.xml · nonDerivative · entry 6 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 58,031 F6 · price: The transaction was executed in multiple trades ranging from $329.01 to $329.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| August 14, 2026 Filed Aug 14, 2026 22:22 UTC |
ROSSI DINO ADirector
|
SaleCommon Stock | 1,687 | $328.52 | $554,205.14 |
DisclosureSEC source: 0001209059-26-000006 · wk-form4_1786746156.xml · nonDerivative · entry 5 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 65,459 F5 · price: The transaction was executed in multiple trades ranging from $328.01 to $328.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| August 14, 2026 Filed Aug 14, 2026 22:22 UTC |
ROSSI DINO ADirector
|
SaleCommon Stock | 5,226 | $327.39 | $1,710,960.52 |
DisclosureSEC source: 0001209059-26-000006 · wk-form4_1786746156.xml · nonDerivative · entry 4 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 67,146 F4 · price: The transaction was executed in multiple trades ranging from $327 to $327.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| August 14, 2026 Filed Aug 14, 2026 22:22 UTC |
ROSSI DINO ADirector
|
SaleCommon Stock | 2,287 | $326.60 | $746,940.60 |
DisclosureSEC source: 0001209059-26-000006 · wk-form4_1786746156.xml · nonDerivative · entry 3 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 72,372 F3 · price: The transaction was executed in multiple trades ranging from $326.04 to $326.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| August 14, 2026 Filed Aug 14, 2026 22:22 UTC |
ROSSI DINO ADirector
|
SaleCommon Stock | 341 | $325.60 | $111,029.09 |
DisclosureSEC source: 0001209059-26-000006 · wk-form4_1786746156.xml · nonDerivative · entry 2 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 74,659 F2 · price: The transaction was executed in multiple trades ranging from $325 to $325.96. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| August 14, 2026 Filed Aug 14, 2026 22:22 UTC |
ROSSI DINO ADirector
|
GiftCommon Stock | 3,691 | $0.00 | $0.00 |
DisclosureSEC source: 0001209059-26-000006 · wk-form4_1786746156.xml · nonDerivative · entry 1 ROSSI DINO A · CIK 0001209059 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 75,000 F1 · kind: Represents a bona fide gift of Krystal Biotech, Inc.'s Common Stock to a charitable donor-advised fund. Read SEC document |
| June 25, 2026 Filed Jun 26, 2026 22:45 UTC |
Thomas John CharlesEVP, General Counsel
|
Exercise / conversionStock Option (Right to Buy) · Derivative | 1,000 | $0.00 Strike: $179.25 | $0.00 |
DisclosureSEC source: 0002114900-26-000009 · wk-form4_1782513949.xml · derivative · entry 3 Thomas John Charles · CIK 0002114900 · EVP, General Counsel 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,500 Underlying: Common Stock · 1,000 shares Expires 2035-02-27 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_date: The options vest ratably over a four-year period beginning on February 28, 2026. Read SEC document |
| June 25, 2026 Filed Jun 26, 2026 22:45 UTC |
Thomas John CharlesEVP, General Counsel
|
SaleCommon Stock | 1,000 | $347.27 | $347,270.00 |
DisclosureSEC source: 0002114900-26-000009 · wk-form4_1782513949.xml · nonDerivative · entry 2 Thomas John Charles · CIK 0002114900 · EVP, General Counsel 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 0 F1 · shares: The acquisition and sale of shares of the Company's common stock reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2026. All transactions contemplated by the plan have been completed, and the plan has terminated in accordance with its terms. Read SEC document |
| June 25, 2026 Filed Jun 26, 2026 22:45 UTC |
Thomas John CharlesEVP, General Counsel
|
Exercise / conversionCommon Stock | 1,000 | $179.25 | $179,250.00 |
DisclosureSEC source: 0002114900-26-000009 · wk-form4_1782513949.xml · nonDerivative · entry 1 Thomas John Charles · CIK 0002114900 · EVP, General Counsel 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,000 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · shares: The acquisition and sale of shares of the Company's common stock reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2026. All transactions contemplated by the plan have been completed, and the plan has terminated in accordance with its terms. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.